50.0 MB (4.2 MB compressed)
3379 x 5172 pixels
28.7 x 43.7 cm ⏐ 11.3 x 17.2 in (300dpi)
MARK WILLIAMSON / SCIENCE PHOTO LIBRARY MARK WILLIAMSON / SCIENCE PHOTO LIBRARY
A historic three-component portable seismograph based on the Quervain-Piccard system and manufactured by Trub, Tauber & Co., 1918-20. Photographed at Focus Terra, the Earth Science Research and Information Centre of ETH, the Swiss Federal Institute of Technology, Zurich.
Model release not required. Property release not required.